Rainscreen Siding Detail

In a rainscreen wall a gapped space or separation also known as a vented airspace exists between the exterior wall cladding siding and the wall sheathing osb plywood etc.

Rainscreen siding detail. Some purists insist that you can t call it a rainscreen gap unless you have ventilation gaps at the top of the wall as well as the bottom of the wall. It will speed drying but it isn t strictly necessary. Building science consultant michael maines defines a rainscreen as a system of materials used to create a gap between the siding and the water resistive barrier and gives an in depth explanation of what rainscreens to use for different purposes and getting rainscreen details right. For single family construction james hardie recommends installing a 90 efficient drainage plane or a 3 8 inch air gap i e.

At the top end of wood siding boards in a vertical rainscreen cladding installation of the climate shield system where the cladding will typically intersect a soffit the siding should be cut 1 8 short to allow adequate ventilation at the top of the wall section. Rain screen siding is vented at the top and bottom of the wall. Design detail for typical top course of vertical rain screen cladding material. Rainscreen between flat to wall siding and the water resistive barrier as a best practice.

James hardie recommends that you consult with your design professional if you have questions regarding. In my last post i showed some video footage of this rainscreen installation but i ve gotten a few requests for some detail shots. Intercept modular metal panel systems interrupt conventional thought on rainscreen wall systems to inspire spectacular visual results. Vent the rain screen below the window.

8 nmi base of wa l nts w ar nty p rovi dea c pt 7 0 detail march 2 07 tw olayers f building pa er drywa l v apou rb ie sill gasket th erm al br k slab on grade pt s tr api ngo h 3 4 b el ow cn r t. For most residential builders a rainscreen siding installation is one that includes an air gap between the siding and the water resistive barrier the asphalt felt or housewrap. You don t necessarily have to vent the siding where it meets the windowsill. Typical rainscreen wall and window details per.

If you ve never seen this method of siding installation there are tons of resources on the web for details. With countless combinations colors and multiple finish options intercept panels can inspire the artist at the core of every architectural designer. Tyvek drainvent rainscreen is a three dimensional honeycomb textured drainage mat that provides advanced protection against moisture damage in exterior wall systems.